"Good to see everyone is as dumb as they were in 2009!" the singer writes.
On Tuesday, the 26-year-old singer took to social media to celebrate having spent a decade with her "Last Song" co-star while also slamming speculation over her relationship status.
"Happy 10-year anniversary, my love," Miley captioned a screenshot of a media story about split rumors. "Good to see everyone is as dumb as they were in 2009! Some things never change, and I hope the way you feel about me is one of them. Yours truly."
Miley also shared a few throwback photos from her time on the set of the Nicholas Sparks movie, "The Last Song," which sparked her off-screen relationship with the 29-year-old Australian actor.
"Started digging you in 2009," she captioned one of the shots. "Shit got deep," she added along with a ring emoji.
Miley and Liam first got engaged in 2012 but called off their engagement in September 2013. They eventually reunited, and by 2016, they had rekindled their romance for good. They tied the knot in December 2018 in a secret ceremony at their home in Franklin, Tennessee.
The pair eventually confirmed the happy news on their respective social media accounts with a series of black-and-white photos from their big day.
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